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Bulimina
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Buliminacea
Family:
Buliminidae
Subfamily:
Bulimininae
Formal Genus Name and Reference:
Bulimina D'ORBIGNY, 1826, *1391, p. 269
Type Species:
B. marginata, SD CUSHMAN, 1911, *404b, p. 76
Images
(Click to enlarge in a new window)
Fig. 442,1-3. *B. marginata, Rec., Italy (1), Rec., Sweden (2), 1a,b, side, apert. views, X50 (*519); 2a,b, apert. end showing tooth plate ( t ), aperture lip ( l ), and free shank of tooth plate (s), X105 (*924); 3, isolated tooth plate, enlarged (*928c).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test triserial in early stage, may tend to reduce to uniserial in later portion, wall calcareous, finely to coarsely perforate, radial in structure, aperture extending up from base of apertural face, with free border that may have elevated rim and fixed border attached to internal folded tooth plate, which with fixed shank is attached to internal chamber wall below aperture, with free shank that may be dentate or smooth, flaring or enrolled and subtubular. [Bulimina differs from Praebulimina in having a tooth plate with developed border, and from Globobulimina in one shank of the tooth plate free, instead of both fixed, and in lacking strongly embracing chambers.]
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Rotalina
Superfamily:
Buliminacea
Family:
Buliminidae
Subfamily:
Bulimininae
Formal Genus Name and Reference:
Bulimina D'ORBIGNY, 1826, *1391, p. 269
Type Species:
B. marginata, SD CUSHMAN, 1911, *404b, p. 76
Images
(Click to enlarge in a new window)
Fig. 442,1-3. *B. marginata, Rec., Italy (1), Rec., Sweden (2), 1a,b, side, apert. views, X50 (*519); 2a,b, apert. end showing tooth plate ( t ), aperture lip ( l ), and free shank of tooth plate (s), X105 (*924); 3, isolated tooth plate, enlarged (*928c).
Synonyms
Geographic Distribution
cosmop.
Age Range
Beginning Stage in Treatise Usage:
Paleoc.
Beginning International Stage:
Danian
Fraction Up In Beginning Stage:
0
Beginning Date:
66.04
Ending Stage in Treatise Usage:
Rec.
Ending International Stage:
Meghalayan
Fraction Up In Ending Stage:
100
Ending Date:
0
Description
Test triserial in early stage, may tend to reduce to uniserial in later portion, wall calcareous, finely to coarsely perforate, radial in structure, aperture extending up from base of apertural face, with free border that may have elevated rim and fixed border attached to internal folded tooth plate, which with fixed shank is attached to internal chamber wall below aperture, with free shank that may be dentate or smooth, flaring or enrolled and subtubular. [Bulimina differs from Praebulimina in having a tooth plate with developed border, and from Globobulimina in one shank of the tooth plate free, instead of both fixed, and in lacking strongly embracing chambers.]